#include "myfile.h"

int main()
{
    _FILE *fp = _fopen("test.txt","a");
    if(fp == NULL)
        return 1;
    const char* msg = "hello world\n";
    int cnt = 10;
    while(cnt)
    {
        _fwrite(fp,msg,strlen(msg));
        _ffulsh(fp);
        sleep(1);
        cnt--;
    }
    _fclose(fp);

    return 0;
}
